JOHNSTON: FLORA OF MARGARITA ISLAND. 251 
Am., p. 41 (1763).— El Valle, Miller &' Johnston, no. 72, July 6, and 
Johnston, no. 87, July 24. Venezuela: Ernst, Sobre la flora y fauna, 
p. 227; La Guaira, Fendler, no. 921, Aug. 16, 1855. A slender tree, 5 
m. high. Further distribution, tropical America. 
C. CYLiNDRiSTACHYA (Ruiz & Pav.) Roem. & Schult., Syst., vol. 4, 
p. 459 (1819); Griseb., Fl. Brit. W. Ind., p. 480. Varronia ci/lindro- 
stachya Ruiz & Pav., Fl. Peruv., vol. 2, p. 23, pi. 147 (1799).— Juan 
Griego, Santa Ana, Ernst; El Valle, Miller & Johnston, no. 26, July 4, 
and Johnston, no. 85, July 15. Further distribution, Lower California, 
West Indies to Uruguay. 
C. DISCOLOR Cham., Linnaea, vol. 4, p. 482 (1829). — San Juan Mt., 
alt. 570 m., Johnston, no. 296, July 19. Leaves narrower than in the 
typical specimen. Further distribution, Brazil and Bolivia. 
C. GERASCANTHUS Jacq., Hist. Stirp. Am., p. 43, pi. 175 (1763); 
Griseb., Fl. Brit. W. Ind., p. 478. — Santa Ana, Ernst. Venezuela: 
Colonia Tovar, Fendler, no. 2054, 1856-57. Further distribution. 
West Indies, Guatemala to Brazil. 
C. GLOBOSA (Jacq.) HBK., Nov. gen. et sp., vol. 3, p. 76 (1818); 
Griseb., Fl. Brit. W. Ind., p. 481. Varronia glohosa Jacq., Enum. 
pi. Carib., p. 14 (1760).— El Valle, Miller & Johnston, no. 221, July 
18; Asuncion, Johnston, no. 84, July 9. Slender bush, 2-3 m. high. 
Venezuela: Ernst, Sobre la flora y fauna, p. 227. Further distribu- 
tion, tropical America. 
C. RETICULATA Valil, Eclog. Am., vol. 3, p. 5 (1807); Griseb., Fl. 
Brit. W. Ind., p. 479. — ^Juan Griego, Ernst. Further distribution, 
West Indies, Venezuela. 
C. Sebestena L., Sp. pi., vol. 1, p. 190 (1753); Griseb., Fl. Brit. 
W. Ind., p. 478; Jacq., Hist. Stirp. Am., p. 42. — Juan Griego, Ernst; 
El Valle, Miller & Johnston, no. 219, July 26. Further distribution, 
West Indies to Guiana and Colombia. 
Heliotropium L. 
H. cuRASSAVicuM L., Sp. pi., vol. 1, p. 130 (1753); Griseb., Fl. 
Brit. W. Ind., p. 486. — Juan Griego, Ernst. Venezuela: Tortuga, 
Ernst in Seem., Journ. bot., vol. 14, p. 179 (1876). Common to 
tropical countries. 
H. FiLiFORME HBK., Nov. gen. et sp., vol. 3, p. 86, pi. 204 (1818); 
Griseb., Fl. Brit. W. Ind., p. 486. — El Valle, Miller & Johnston, no. 
148, Aug. 8; Juan Griego, Johnston, no. 331, iVug. 14. Venezuela: 
at Rio Apure, between the townns of El Diamente and San Fernando, 
